This article explores the ways in which anti-migrant and refugee discourses and policies have flourished throughout the Covid-19 pandemic despite dominant global public health concerns, especially around vaccines. Our argument is that pre-crisis authoritarian, populist, and nativist political tendencies have proven remarkably resilient, interacting readily with the pandemic to further justify a rolling back on refugee and migrant rights. These tendencies risk, in several contexts, undermining the comprehensive global vaccination effort needed to combat the pandemic.